DNSWHOIS.INFO - 21.139.37.in-addr.arpa

Search for IP or hostnames:

21.139.37.in-addr.arpa checked at 2025-09-12T08:49:28.088Z 115ms 54/54/54 100% R:10

`21.139.37.in-addr.arpa`

NS	`ns1.digitalocean.com`
		A	2606:4700:52::ac40:34d2 ^{🇺🇸 Cloudflare}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515 ^{🇺🇸 Cloudflare}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1 ^{🇺🇸 Cloudflare}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare}
			PTR	`ns3.digitalocean.com`

Up

47.21.139.37.in-addr.arpa

251.21.139.37.in-addr.arpa

110.21.139.37.in-addr.arpa

203.21.139.37.in-addr.arpa

243.21.139.37.in-addr.arpa

Starts with same word

21.vc

21.am

21.rs

21.com

21.bet

21.center

21.kz

21.web.app

21.su

21.network

21.si

21.gen.tr

21.ph

21.is

21.be

21.com.ua

21.pe

21.edu.ar

21.gg

21.capital

21.dk

21.email

21.sk

21.immo

21.cz

21.style

21.nl

21.agency

21.co

21.biz

21.lv

21.ru

21.co.za

21.finance

21.ax

21.nu

21.business

21.casino

21.pl

21.ee

21.tv

21.partners

21.to

21.ie

21.photos

21.cc

21.fr

21.by

21.com.es

21.life

21.run

21.net

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

21.ca

21.construction

21.org

21.co.uk

Starts similarily

12.com

21.ca

12.ca

21.construction

21.org

12.sh.cn

12.ru

21.co.uk

12.limo

21.vc

21.am

12.biz

21.rs

12.to

21.com

12.net

12.la

21.bet

12.at

21.center

21.kz

12.ws

12.s3.amazonaws.com

21.web.app

21.su

21.network

21.si

21.gen.tr

21.ph

12.lv

21.is

21.be

21.com.ua

12.cl

12.ph

12.ma

12.rs

21.pe

21.edu.ar

21.gg

21.capital

12.de

12.in-addr.arpa

21.dk

12.ag

21.email

12.kz

12.ie

12.com.ua

21.sk

12.cz

21.immo

12.eu

21.cz

12.uk

12.life

21.style

12.city

12.dk

21.nl

21.agency

12.org.ru

12.nu

21.co

21.biz

21.lv

21.ru

21.co.za

12.ai

21.finance

12.hk

21.ax

12.amsterdam

12.fr

21.nu

21.business

12.vc

21.casino

21.pl

21.ee

12.am

12.agency

12.digital

12.ac.cn

12.lt

21.tv

12.si

21.partners

21.to

21.ie

21.photos

21.cc

12.be

12.fi

12.cc

12.is

21.fr

12.chat

21.by

12.solutions

AI analysis

The parent of 47.21.139.37.in-addr.arpa, 251.21.139.37.in-addr.arpa, 110.21.139.37.in-addr.arpa, 203.21.139.37.in-addr.arpa, and 243.21.139.37.in-addr.arpa is 21.139.37.in-addr.arpa.

Three name servers, ns1.digitalocean.com, ns2.digitalocean.com, and ns3.digitalocean.com, are delegated to 21.139.37.in-addr.arpa.

The domain 21.139.37.in-addr.arpa shares at least some of its name servers with other domains such as rekaweb.my, khenzer.com, cpns.id, gommold.de, and allotelecom.be.

ns1.digitalocean.com, 2606:4700:52::ac40:34d2, and 172.64.52.210 are associated with each other. Similarly, ns2.digitalocean.com, 2606:4700:5a::ac40:3515, and 172.64.53.21 form another set. Finally, ns3.digitalocean.com, 2606:4700:52::ac40:31d1, and 172.64.49.209 are linked together.

dbq